From: Stefan Metzmacher <metze@samba.org>
Date: Thu, 12 Jan 2023 09:40:13 +0000 (+0100)
Subject: s4:dns_server: make use of tstream_bsd_fail_readv_first_error(true)
X-Git-Tag: talloc-2.4.2~1186
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=341e800dfe82bbe886e6370f952836590ad202e0;p=thirdparty%2Fsamba.git

s4:dns_server: make use of tstream_bsd_fail_readv_first_error(true)

This avoids doing useless work in case the client connection
is already broken.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---

diff --git a/source4/dns_server/dns_server.c b/source4/dns_server/dns_server.c
index ccb8babc4f4..dd9916770a5 100644
--- a/source4/dns_server/dns_server.c
+++ b/source4/dns_server/dns_server.c
@@ -491,6 +491,8 @@ static void dns_tcp_accept(struct stream_connection *conn)
 				"dns_tcp_accept: out of memory");
 		return;
 	}
+	/* as server we want to fail early */
+	tstream_bsd_fail_readv_first_error(dns_conn->tstream, true);
 
 	dns_conn->conn = conn;
 	dns_conn->dns_socket = dns_socket;